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90 lines
1.8 KiB
C++
Executable File
90 lines
1.8 KiB
C++
Executable File
// File: gp_Ax3.cxx
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// Created: Tue Aug 3 12:42:36 1993
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// Author: Laurent BOURESCHE
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// <lbo@nonox>
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#include <gp_Ax3.ixx>
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//=======================================================================
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//function : gp_Ax3
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//purpose :
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//=======================================================================
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gp_Ax3::gp_Ax3 (const gp_Pnt& P,
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const gp_Dir& V) : axis(P,V)
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{
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Standard_Real A = V.X();
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Standard_Real B = V.Y();
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Standard_Real C = V.Z();
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Standard_Real Aabs = A;
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if (Aabs < 0) Aabs = - Aabs;
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Standard_Real Babs = B;
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if (Babs < 0) Babs = - Babs;
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Standard_Real Cabs = C;
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if (Cabs < 0) Cabs = - Cabs;
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gp_Dir D;
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// pour determiner l axe X :
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// on dit que le produit scalaire Vx.V = 0.
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// et on recherche le max(A,B,C) pour faire la division.
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// l une des coordonnees du vecteur est nulle.
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if ( Babs <= Aabs && Babs <= Cabs) {
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if (Aabs > Cabs) D.SetCoord(-C,0., A);
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else D.SetCoord( C,0.,-A);
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}
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else if( Aabs <= Babs && Aabs <= Cabs) {
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if (Babs > Cabs) D.SetCoord(0.,-C, B);
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else D.SetCoord(0., C,-B);
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}
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else {
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if (Aabs > Babs) D.SetCoord(-B, A,0.);
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else D.SetCoord( B,-A,0.);
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}
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vxdir = D;
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vydir = V.Crossed(vxdir);
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}
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void gp_Ax3::Mirror(const gp_Pnt& P)
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{
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axis.Mirror (P);
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vxdir.Reverse ();
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vydir.Reverse ();
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}
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gp_Ax3 gp_Ax3::Mirrored(const gp_Pnt& P)const
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{
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gp_Ax3 Temp = *this;
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Temp.Mirror (P);
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return Temp;
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}
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void gp_Ax3::Mirror(const gp_Ax1& A1)
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{
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vydir.Mirror (A1);
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vxdir.Mirror (A1);
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axis.Mirror (A1);
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}
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gp_Ax3 gp_Ax3::Mirrored(const gp_Ax1& A1)const
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{
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gp_Ax3 Temp = *this;
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Temp.Mirror (A1);
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return Temp;
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}
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void gp_Ax3::Mirror(const gp_Ax2& A2)
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{
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vydir.Mirror (A2);
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vxdir.Mirror (A2);
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axis.Mirror (A2);
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}
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gp_Ax3 gp_Ax3::Mirrored(const gp_Ax2& A2)const
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{
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gp_Ax3 Temp = *this;
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Temp.Mirror (A2);
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return Temp;
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}
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